Suicide bomber killed four

A suicide bomber on a motorbike killed at least four
people and wounded several in an attack on a vehicle carrying
national security officials in Kabul on Wednesday, a security
official at the scene in the Afghan capital told.

An interior ministry official confirmed the attack but could not
say immediately how many people had been killed or wounded.

"The suicide bomber was on a motorbike and detonated himself in
the Pul Mahmood Khan area (in Kabul). The target is unclear but
there were casualties," said Najib Danish, a spokesman for the
interior ministry.